Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8154841 | Current zero cross switching relay module using a voltage monitor Assemblies, systems, and methods which prolong relay life by dynamically compensating the make and break contact timing between the contact points of the relay and a zero crossing point of the power supply's waveform are provided according to the present disclosure.... | 04/10/2012 |
| 8098473 | Component module for a reduced pressure treatment system A reduced pressure treatment system includes a control unit having a control system and a reduced pressure source. The reduced pressure treatment system further includes a manifold unit in fluid communication with the reduced pressure source and a component module t... | 01/17/2012 |
| 7974064 | Protective relay and human-machine interface therefor A fully operational digital protective relay or Intelligent Electronic Device (IED) are provided for protecting electrical equipment of a power distribution system. The relay includes an input module, a processing module and an output module. Signals received from c... | 07/05/2011 |
| 7876546 | Component module for a reduced pressure treatment system A connectable component module for a reduced pressure treatment system is provided. The module includes a housing with a rim, a recessed end surface, and an extension. A mounting assembly is fixed to the recessed end surface and includes extendable latches. The latc... | 01/25/2011 |
| 7864500 | Method and apparatus for remotely operating AC powered appliances from video interphones or shopping terminals A method for adding and connecting a remotely operated SPDT relay to an electric power circuit of an AC appliance connected to a manually actuated electrical SPDT switch for integrating said AC appliance into an home automation network, each said relay and said SPDT... | 01/04/2011 |
| 7649727 | Method and apparatus for remotely operating AC powered appliances from video interphones or shopping terminals A method for adding and connecting a remotely operated SPDT relay to an electric power circuit of an AC appliance connected to a manually actuated electrical SPDT switch for integrating said AC appliance into an home automation network, each said relay and said SPDT... | 01/19/2010 |
| 7480128 | Electronic control systems and methods An apparatus in an electronic control system allows two or three wire operation. A power supply can supply power to the enclosed circuitry in both two and three wire installations. The system may have a high efficiency switching type power supply in parallel with a ... | 01/20/2009 |
| 7397148 | Vehicular anomaly diagnosis system An engine start is beforehand detected when a preparation operation to engine start is detected. When the preparation operation is detected based on a seat switch indicating that a driver seats himself on a driver seat, control of an electric current for a heater of... | 07/08/2008 |
| 7342764 | Electronic control systems and methods An apparatus in an electronic control system allows two or three wire operation. A power supply can supply power to the enclosed circuitry in both two and three wire installations. Two separate zero cross detectors are used such that timing information can be collec... | 03/11/2008 |
| 7322251 | Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors A method, apparatus and system are provided to measure the process flow of a fluid or medium traveling in a pipe. The system and apparatus feature a standoff and piezoelectric-based sensor arrangement having a plurality of standoffs arranged on a pipe and a pluralit... | 01/29/2008 |
| 7313854 | Method of manufacturing a tactile sensor A method of manufacturing a tactile sensor, which is capable of implementing a wide range of senses, including sensing contact pressure (vertical force and horizontal force) with an external object and heat caused by the contact pressure, comprises forming a side bl... | 01/01/2008 |
| 7305196 | Apparatus for and method of controlling high voltage in image forming apparatus An apparatus for and a method of controlling a high voltage in an image forming apparatus using the high voltage with a high alternating current voltage superimposed on a high direct current voltage. The apparatus includes: a high alternating current voltage output ... | 12/04/2007 |
| 7301328 | Through the hole rotary position sensor with a pair of pole pieces disposed around the periphery of the circular magnet A through the hole rotary position sensor which incorporates a single ring magnet with a central aperture is disclosed. The rotating shaft whose angular position is to be sensed is adapted to be received in the central aperture. The through the hole rotary position ... | 11/27/2007 |
| 7298148 | Relay controller A relay controller for connecting a power source includes at least one relay having at least two contacts. The relay controller includes a processing device operable to selectively switch the relay contacts, and a feedback circuit adapted to identify an actual state... | 11/20/2007 |
| 7279651 | Automatic shut-off switch for main power source An automatic turn-off switch responsive to displacement of a movable element placed on a seat which resides on the top of a chute located with an opening at the bottom immediately adjacent to a pivotal lever. A spring-loaded latch is normally biased in a contracted ... | 10/09/2007 |
| 7273064 | Temperature-sensitive safety valve assembly The present invention relates to a temperature-sensitive safely valve assembly (10). The assembly (10) comprising a first region (16) for a first pressurised fluid, a second region (20) for a second pressurised fluid, a valve (26, 28, ... | 09/25/2007 |
| 7266321 | Apparatus for supplying voltage to developing device A voltage supply device for developing devices of a color image forming apparatus has a printed circuit board (PCB) connected with a high voltage supply source, a plurality of fixed contact point terminals provided at one end of the respective color developing devic... | 09/04/2007 |
| 7262601 | Aircraft equipped for airborne vector magnetic exploration surveys An aircraft equipped for airborne vector magnetic exploration surveys comprising three magnetometers orthogonally mounted to measure the components of the earth's vector magnetic field; two rotation sensors mounted to measure the angular orientation of the aircraft;... | 08/28/2007 |
| 7218490 | Process and device for determining a run-away condition of a rotation-speed controlled, permanent-excited synchronous motor A process and device for determining a run-away condition of a rotation-speed controlled, permanent-excited synchronous motor are described. The process continuously checks, when a rotation speed controller is active and for a predetermined constant rotation speed s... | 05/15/2007 |
| 7212391 | Grounded isolation system An system and method are disclosed for isolating and grounding a load device, where grounding only occurs after the voltage(s) on the load device have been reduced to acceptable levels. The system includes power and grounding contacts, a sensing device, and a contro... | 05/01/2007 |
| 7206181 | Latch device A latch device includes a display apparatus having a display apparatus body installed in the ceiling portion or the like of a vehicle and a display section retracted so that it can be developed from the display apparatus body. A plunger section is fixed to the displ... | 04/17/2007 |
| 7168413 | Fuel injector control apparatus for cylinder injection type internal combustion engine A fuel injector control apparatus for a cylinder injection type engine includes driving circuits each shared by plural fuel injectors classified groupwise and having one ends connected in common to a potential source, switching means (13, 17, 19) connected to... | 01/30/2007 |
| 7170405 | Method and apparatus for interfacing a power line carrier and an appliance A method and apparatus for communicating between an appliance and a power line carrier communication system includes at least one power line carrier connection, at least one appliance connection, and processing circuitry for translating between an appliance communic... | 01/30/2007 |
| 7161377 | Bus type connection system in particular for backplanes The invention relates to bus type connection systems, in particular those for wiring backplanes of electronic systems, when the bus comprises connectors distributed in an irregular manner. It consists in selecting segments (D1, D2) over which t... | 01/09/2007 |
| 7124662 | Reversible driving apparatus for PCU pumps An accessory driving apparatus for an aircraft system is connected to an accessory unit to be driven, such as a PCU pump. A gear set for transferring rotational power from the driving shaft to the driven shaft is provided for selective arrangement in first and secon... | 10/24/2006 |
| 7113385 | Method of controlling magnetic flux of electromagnet, and electromagnet implementing the same For controlling a magnetic flux of an electromagnet with a relay pulling characteristic and at least two stabile levels of values of a magnetic flux in a magnetic guide, controlling pulses of electric current are supplied into a winding of a magnetizing coil with ob... | 09/26/2006 |
| 7091692 | Electromotive adjustment drive The invention relates to an electromotive adjustment drive which is operated by a safety voltage, for instance, an adjustment drive for the adjustable components of pieces of furniture. The adjustment drive is equipped with a hand-operated device and a control unit ... | 08/15/2006 |
| 7083408 | Apparatus and method for shutting down a fuel fired appliance An apparatus comprising a switch, a fuse, and a sensor that is capable of detecting the presence of flammable vapors and responsively changing in resistance, wherein the sensor enables the switch to supply current to the fuse which opens to shut down an appliance bu... | 08/01/2006 |
| 7081816 | Compact wireless sensor A compact size wireless sensor for sensing a change of state that includes a sensor switch, a microprocessor, a wireless transmitter, a timer (e.g., a low power clock circuit), an antenna, and a coin cell battery power source. The coin cell battery, which is positio... | 07/25/2006 |
| 7043927 | Transport Refrigeration system A transport refrigeration system, the transport refrigeration system including a container defining an enclosed volume and a refrigeration module coupled to the container. The refrigeration module is disposed to regulate the temperature of the enclosed volume and in... | 05/16/2006 |
| 7032397 | Thermostat for use with compressor health indicator A method of operating a climate control system includes generating a signal based upon the operation of the compressor, and controlling the compressor in response to the generated signal. A climate control system implementing the method includes a compressor, and mo... | 04/25/2006 |
| 7021072 | Current control loop for actuator and method Systems and methods for providing a current control loop for an actuator. A typical system includes a current command controller setting a command current, the current command controller being coupled to a drive circuit used to drive the actuator and a sampling modu... | 04/04/2006 |
| 7019617 | Radio frequency identification devices, backscatter communication device wake-up methods, communication device wake-up methods and a radio frequency identification device wake-up method Radio frequency identification devices, backscatter communication device wake-up methods, communication device wake-up methods and a radio frequency identification device wake-up method are described. In one aspect, a wireless communication device includes a process... | 03/28/2006 |
| 7012342 | Low power, scalable multichannel high voltage controller A low voltage control circuit is provided for individually controlling high voltage power provided over bus lines to a multitude of interconnected loads. An example of a load is a drive for capillary channels in a microfluidic system. Control is distributed from a c... | 03/14/2006 |
| 6924730 | Fire door control system and method including periodic system testing A fire door control system permits user input during regular use and during alarm conditions. The system utilizes primary and secondary power sources and incorporates a variety of preventive safeguards assuring that functionality of the fire door control system will... | 08/02/2005 |
| 6921999 | Electric motor An electromagnetic rotary actuator is driven by a single-phase voltage. Permanent magnets on a rotor interact over a part-cylindrical small airgap with a soft-iron stator having pole teeth that carry at least one winding for rotating the rotor within a limited angul... | 07/26/2005 |
| 6908300 | Apparatus and method for shutting down a fuel fired appliance An apparatus comprising a switch, a fuse, and a sensor that is capable of detecting the presence of flammable vapors and responsively changing in resistance, wherein the sensor enables the switch to supply current to the fuse which opens to shut down an appliance bu... | 06/21/2005 |
| 6891710 | Method for control of a proportional magnet with a hold function Method for control of a proportional magnet comprising a magnet core, a magnet armature, a magnet coil for operating a control element in a shift valve or a proportional pressure-control valve, particularly a pressure-control valve for clutch operation in an automat... | 05/10/2005 |
| 6798633 | Circuit arrangement for operation of a relay The invention relates to a circuit arrangement for operation of a relay which provides a switching-on current for the field coil of the relay and subsequently, after a predetermined time, a holding current. In order that any possible discrepancies in the parameters ... | 09/28/2004 |
| 6785111 | Electric charge detector Electrostatic discharge can damage electronic equipment. It has been known to start a fire when it occurs when a motor vehicle's gasoline tank is being filled. A device for detecting, alarming, and/or neutralizing an electrostatic charge can help avoid these problem... | 08/31/2004 |
